SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier v1
    Function sum (children 1)
     ExpressionList (children 1)
      Function notEmpty (children 1)
       ExpressionList (children 1)
        Identifier v2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_lwu_deletes_3
   Set
